a group of computers and devices on a network that are administered under the same protocol.
the top level in a domain name, indicating the type of organization, geographical location, or both, and officially designated in the suffix, as .com for commercial enterprises in the U.S.
Physics. one of many regions of magnetic polarity within a ferromagnetic body, each consisting of a number of atoms having a common polarity, and collectively determining the magnetic properties of the body by their arrangement.
Crystallography. a connected region with uniform polarization in a twinned ferroelectric crystal.
1595-1605; < Frenchdomaine, alteration, by association with Latindominiumdominium, of Old Frenchdemeine < Late Latindominicum, noun use of neuter of Latindominicus of a master, equivalent to domin(us) lord + -icus-ic
c.1425, in Scottish dialect, from M.Fr. domaine, from O.Fr. demaine "lord's estate," from L. dominium "property, dominion," from dominus "lord, master, owner," from domus "house" (see domestic). Form infl. in O.Fr. by M.L. domanium "domain, estate."
Mathematics The set of all values that an independent variable of a function can have. In the function y = 2x, the set of values that x (the independent variable) can have is the domain. Compare range.
Computer Science A group of networked computers that share a common communications address.
Biology A division of organisms that ranks above a kingdom in systems of classification that are based on shared similarities in DNA sequences rather than shared structural similarities. In these systems, there are three domains: the archaea, the bacteria, and the eukaryotes.
Physics A region in a ferromagnetic substance in which the substance is magnetized with the same polarization throughout.